import * as BABYLON from '@babylonjs/core';
declare class CSS2DObject extends BABYLON.Mesh {
    private static idx;
    element: HTMLElement;
    constructor(element: HTMLElement, scene: BABYLON.Scene);
}
declare class CSS2DRenderer {
    domElement: HTMLDivElement;
    width: number;
    height: number;
    widthHalf: number;
    heightHalf: number;
    cache: {
        objects: WeakMap<object, any>;
    };
    constructor();
    getSize(): {
        width: number;
        height: number;
    };
    setSize(width: number, height: number): void;
    private _viewMatrix;
    private _viewProjectionMatrix;
    render(scene: BABYLON.Scene, camera: BABYLON.Camera): void;
    renderObject(object: any, scene: BABYLON.Scene, camera: BABYLON.Camera): void;
    getDistanceToSquared(object1: BABYLON.Camera, object2: CSS2DObject): number;
    filterAndFlatten(scene: BABYLON.Scene): CSS2DObject[];
    zOrder(scene: BABYLON.Scene): void;
}
export { CSS2DRenderer, CSS2DObject };